DOCSLIB.ORG

Ground Water in Huerfano County Colorado

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Ground Water in Huerfano County Colorado Ground Water in Huerfano County Colorado GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1805 Prepared in cooperation with the Colorado W^ater Conservation Board Ground Water in Huerfano County Colorado By THAD G. McLAUGHLIN GEOLOGICAL SURVEY WATER-SUPPLY PAPER 1805 Prepared in cooperation with the Colorado Water Conservation Board UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1966 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY William T. Pecora, Director Library of Congress catalog card No. GS 65-341 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 CONTENTS Page Abstract ______________________________________________________ 1 Introduction._____________________________________________________ 2 Purpose and scope of the inyestigation____-_-_-_-____-_-_-_______ 2 Location and extent of the area________________________-________ 3 Previous investigations__-_-___________-_-_-_____-_____________- 3 Methods of investigation_______________________________________ 3 Well-numbering system ________________________________________ 5 Acknowledgments _____________________________________________ 5 Geographic setting.,._____________________________________________ 7 Topography. _______________________________________________ 7 Drainage _____________________________________________________ 11 Climate--------------________________________-_-__ 13 Geologic setting-__________________________________________________ 15 Stratigraphy..________________________________________________ 15 Structure.-----__----------__-------_----_----______________ 18 Hydrogeologic setting._____________________________________________ 19 Definition of terms_______-_________-__________-________-______ 19 Alluvial aquifers_____________________________________________ 24 Origin and movement of water_______-___-_-_-_-___---_---_- 25 Discharge. ____-_-_____-_______---_--__---_------_-__--_-- 25 Bedrock aquifers___-_______-_________-_-_____-______________ 29 Water problems___________________________________________________ 30 Availability__________________________________ 30 Irrigation supplies__-_____________-___-_---_-_-_----_--_-_- 31 Industrial supplies___-___________--_______-_-_-_-_-_------- 31 Stock supplies___________________________________________ 32 Mine water______________________-_____-_______-_-------__ 32 Quality______.__________________.______.__-______ 32 Possible solutions___________________________-_--__-_-_----_-- 32 Mine water________________________________________-_-_____-----_- 33 Occurrence and movement____________________________________ 33 Yield and storage_________________________-___-_-_-_-----_--_ 35 Quality____________________________________ 38 Alluvial aquifers_________________________________________________ 43 Distribution and thickness__________________--_--____-__---__- 43 Water supply________________________-_____-___-_---__-------- 44 Availability _ ___________________________-_-_-----_------- 44 Quality__________._______________________________ 45 Present development-_________________-----__----_--------- 45 Future development._________________ ________ 47 Bedrock aquifers.________________________________-___-_-----_----- 52 Problems in locating water.________________-_____----_-_------- 52 Misconception concerning the supply___.__-__------_---_------- 55 Precambrian rocks_________________-___-__---_-----_----------- 57 Pennsylvanian marine rocks.__________-___-_--__--------------- 58 ni IV CONTENTS Bedrock aquifers Continued Sangre de Cristo Formation___________________________________ 58 Entrada Sandstone----_------____-___-_______-_-____-_________ 59 Morrison and Ralston Creek(?) Formations______---_-__-_______ 60 Purgatoire Formation.____________ ___________________________ 61 Dakota Sandstone.___^__. _____________________________________ 63 Graneros Shale._______________________________________________ 66 Greenhorn Limestone._________________________________________ 67 Carlile Shale________________________________________ 68 Limestone-sandstone aquifer____________________________________ 69 Niobrara Formation.__________________________________________ 72 Fort Hays Limestone Member._____________________________ 72 Smoky Hill Marl Member__________________________________ 73 Pierre Shale_________________________________________________ 74 Trinidad Sandstone.___________________________________________ 75 Vermejo and Raton Formations.________________________________ 78 Poison Canyon and Cuchara Formations.________________________ 79 Huerfano Formation.__________________________________________ 81 Intrusive rocks..______________________________________________ 82 Farisita Conglomerate________________________________________ 84 Devils Hole Formation.________________________________________ 85 References_ _ ____________________________________________________ 86 Index_________________-_______________________-_-_-_-_-_--___-___ 89 ILLUSTRATIONS [Plates are in pocket] PLATE 1. Map and section showing geology and location of wells and springs in Huerfano County, Colo. 2. Map of prominent topographic features of Huerfano County, Colo. 3. Map of principal drainage basins in Huerfano County, Colo., and their susceptibility to erosion. 4. Map of principal structural features of part of south-central Colorado. 5. Cross sections of Huerfano and Cucharas Valleys, Colo. 6. Hydrograph of water level in observation wells in Huerfano County, and precipitation at Walsenburg, Colo. 7. Diagram showing effect of canyon cutting on ground-water supply, Cueharas and Huerfano Canyons, Colo. Page FIGURE 1. Index map of Huerfano County____-_-_----------_--_ 4 2. Diagram showing system of numbering wells and test holes in Colorado.._______________________________ 6 3-5. Photographs showing: 3. View westward over coal basin______________ 8 4. Shale plains east of Wet Mountains.__________ 9 5. Confluence of Cucharas and Huerfano Canyons. 10 6. Map showing distribution of precipitation in Huerfano County__ _ --___._____________--___-_----_--__-- 14 CONTENTS FIGURE 7-12. Diagrams of: 7. Some principles of ground-water occurrence. __ _ 20 8. Influent and effluent streams.________________ 22 9. Movement of water in alluvial deposits________ 26 10. Movement and accumulation of ground water in the colluvium beneath pediments.________ 27 11. Movement of water from an intermittent stream into alluvium and into a bedrock aquifer_____ 28 12. Recharge of coal-bearing rocks with water from alluvium. ________________________________ 36 13. Map showing principal mines in and near Cucharas Valley, and hydrographs of water levels in mines.____ 37 14-19. Diagrams showing: 14. Classification of mine water __________________ 41 15. Classification of water from alluvium..________ 46 16. Method of locating a buried channel._________ 48 17. Effect of channel cutting on ground-water supply_ ________________________________ 50 18. Relation of geologic structure to the occurrence of ground water________________________ 54 19. Classification of water from wells in bedrock__ 63 20. Columnar section showing stratigraphic position of the limestone-sandstone aquifer._______________________ 70 21. Diagram showing occurrence of water in the Trinidad Sandstone.______________________________________ 77 22. Idealized diagram showing relation of topographic posi­ tion to the water supply in the Poison Canyon and Cuchara Formations..____________________________ 81 23. Diagram showing occurrence of water in altered shale adjacent to a sill_______________________________ 84 TABLES Page TABLE 1. Runoff at gaging stations in Huerfano County.________ 12 2. Discharge of sediment in Huerfano River______________ 14 3. Generalized section of geologic formations in Huerfano County, Colo________________________.___________ 16 4. Water in mines in Huerfano County___--_-_----__-_-_ 35 5. Thickness of bedrock formations in eastern Huerfano County________________________________________ 53 GROUND WATER IN HUERFANO COUNTY, COLORADO By THAD G. MCLATTGHLIN ABSTRACT Huerfano County includes nearly 1,600 square miles in south-central Colo­ rado. The western part of the county is in the Southern Rocky Mountains, and the remainder is in the Great Plains. It is an area of diverse topography from rolling grassy plains to rugged mountain peaks which is drained by the Huerfano River. The climate is semiarid to subhumid, the annual precipitation ranging from about 14 to nearly 30 inches. The mountains in the western part of the county are of diverse stratigraphy and complex structure. The remainder of the county is underlain chiefly by rocks of Mesozoic age that dip very steeply eastward from the foothills into the Raton basin and that dip much less steeply westward from the Apishapa arch, also into the Raton basin. The westward dip of the rocks from the Apishapa arch is interrupted by several extensive normal faults. In general, Huerfano County has two types of aquifers: alluvial and bed­ rock. The alluvial aquifers are those in which water occurs in relatively thin surflcial deposits in the valleys and beneath pediments. They are recharged principally by the percolation of precipitation downward to the water table and by percolation through the beds of streams. Water is discharged from the aquifers mainly through springs and seeps and by evapotranspiration. The bedrock aquifers comprise older consolidated rocks such as sandstone and lime­ stone and are recharged principally by the infiltration of precipitation and the percolation
Load more

Recommended publications
  • Tax Lien Sale Notice 2020
    TAX LIEN SALE NOTICE DELINQUENT REAL ESTATE TAXES, AND SPECIAL DISTRICTS, PAYABLE IN 2020 Office of the County Treasurer County of Pueblo State of Colorado INTERNET PUBLIC AUCTION: 2 Day Sale October 19 & 20, 2020 8:00 A.M. county.pueblo.org/treasurer zeusauction.com Tax payment must be received in the Pueblo County Treasurer's Office on or before Thursday, October 15, 2020 by 4:30 p.m., in cash or certified funds to avoid the delinquent property tax lien from being sold. If the property tax is sold at the tax lien sale, YOU WILL BE REQUIRED TO PAY INTEREST AT THE RATE OF NINE PERCENT (9%) PER ANNUM. Redemption payments will be accepted beginning November 6, 2020. Redemption of these taxes must be paid in cash or certified funds within three (3) years or a Treasurer's Deed may be issued to the holder of the tax lien certificate of purchase. All delinquent taxes must be paid to the Pueblo County Treasurer. Please contact the Pueblo County Treasurer's Office for any information regarding delinquent taxes at (719)583-6689, (719)583-6015, or (719)583-6683. DELINQUENT TAXPAYER NAMES WILL APPEAR IN ALL ISSUES OF DELINQUENT TAX LIST. *PUBLISHED IN THE PUEBLO CHIEFTAIN, SEPTEMBER 19, 26 & OCTOBER 3, 2020 *PUBLISHED WEEKLY FOR THREE CONSECUTIVE WEEKS. NO DELETIONS TO THIS ADVERTISING LIST CAN BE MADE. Page 2 PUBLIC NOTICE The Pueblo Chieftain, September/October 2020 PUBLIC NOTICE PUBLIC NOTICE The Pueblo Chieftain, September/October 2020 PUBLIC NOTICE Page 3 Page 4 PUBLIC NOTICE The Pueblo Chieftain, September/October 2020 PUBLIC NOTICE 3812 AUGUSTA
    [Show full text]
  • Meeting Record
    BULL MOOSE SPORTSMENS ALLIANCE/COLORADO BACKCOUNTRY HUNTERS AND ANGLERS/COLORADO TROUT UNLIMITED/COLORADO WILDLIFE FEDERATION/NATIONAL WILDLIFE FEDERATION/THEODORE ROOSEVELT CONSERVATION PARTNERSHIP/TROUT UNLIMITED/WESTERN NATIVE TROUT INITIATIVE Sportsmen's Recommendations for Supporting the Proposed Colorado Roadless Rule Problem 1: At 562,000 acres, the upper tier category in the preferred alternative is too small and fails to include much of the most important fish and wildlife habitat. Solution: After further upper tier areas are included by the agency for the Pike-San Isabel and Rio Grande national forests, the acreage of upper tier lands in the preferred alternative should increase to a total of at least 1.4 million acres (33% of Colorado's road less acres) using the prioritized list of road less areas below. Upper tier lands bordering Community Protection Zones may be cut back in acreage so the bordering areas are not included in the upper tier (the overlap is roughly 22,000 acres total). All Alternative 2 lands already placed in upper tier should remain there. Rationale: The upper tier category has been created to balance narrowly defined exceptions in the CO rule such as coal mining, ski area development, and community protection zone logging. This is very similar to the "Primitive" and "Wild Land Recreation" categories used to balance development allowances in the Idaho roadless rule. While important, the preferred alternative (alt. 2) acres are limited to areas where forest plans already prohibit road building. Using these acres as upper tier does not address key fish and wildlife habitat nor does it illustrate a commitment by the Forest Service to go beyond their current plans and create a truly protective rule.
    [Show full text]
  • Chapter 5 – Complexes: Area-Specific Management Recommendations
    Wild Connections Conservation Plan for the Pike & San Isabel National Forests Chapter 5 – Complexes: Area-Specific Management Recommendations This section contains our detailed, area-specific proposal utilizing the theme based approach to land management. As an organizational tool, this proposal divides the Pike-San Isabel National Forest into eleven separate Complexes, based on geo-physical characteristics of the land such as mountain ranges, parklands, or canyon systems. Each complex narrative provides details and justifications for our management recommendations for specific areas. In order to emphasize the larger landscape and connectivity of these lands with the ecoregion, commentary on relationships to adjacent non-Forest lands are also included. Evaluations of ecological value across public and private lands are used throughout this chapter. The Colorado Natural Heritage Programs rates the biodiversity of Potential Conservation Areas (PCAs) as General Biodiversity, Moderate, High, Very High, and Outranking Significance. The Nature Conservancy assesses the conservation value of its Conservation Blueprint areas as Low, Moderately Low, Moderate, Moderately High and High. The Southern Rockies Ecosystem Project's Wildlands Network Vision recommends land use designations of Core Wilderness, Core Agency, Low and Moderate Compatible Use, and Wildlife Linkages. Detailed explanations are available from the respective organizations. Complexes – Summary List by Watershed Table 5.1: Summary of WCCP Complexes Watershed Complex Ranger District
    [Show full text]
  • Wilderness Study Areas
    I ___- .-ll..l .“..l..““l.--..- I. _.^.___” _^.__.._._ - ._____.-.-.. ------ FEDERAL LAND M.ANAGEMENT Status and Uses of Wilderness Study Areas I 150156 RESTRICTED--Not to be released outside the General Accounting Wice unless specifically approved by the Office of Congressional Relations. ssBO4’8 RELEASED ---- ---. - (;Ao/li:( ‘I:I)-!L~-l~~lL - United States General Accounting OfTice GAO Washington, D.C. 20548 Resources, Community, and Economic Development Division B-262989 September 23,1993 The Honorable Bruce F. Vento Chairman, Subcommittee on National Parks, Forests, and Public Lands Committee on Natural Resources House of Representatives Dear Mr. Chairman: Concerned about alleged degradation of areas being considered for possible inclusion in the National Wilderness Preservation System (wilderness study areas), you requested that we provide you with information on the types and effects of activities in these study areas. As agreed with your office, we gathered information on areas managed by two agencies: the Department of the Interior’s Bureau of Land Management (BLN) and the Department of Agriculture’s Forest Service. Specifically, this report provides information on (1) legislative guidance and the agency policies governing wilderness study area management, (2) the various activities and uses occurring in the agencies’ study areas, (3) the ways these activities and uses affect the areas, and (4) agency actions to monitor and restrict these uses and to repair damage resulting from them. Appendixes I and II provide data on the number, acreage, and locations of wilderness study areas managed by BLM and the Forest Service, as well as data on the types of uses occurring in the areas.
    [Show full text]
  • Profiles of Colorado Roadless Areas
    PROFILES OF COLORADO ROADLESS AREAS Prepared by the USDA Forest Service, Rocky Mountain Region July 23, 2008 INTENTIONALLY LEFT BLANK 2 3 TABLE OF CONTENTS ARAPAHO-ROOSEVELT NATIONAL FOREST ......................................................................................................10 Bard Creek (23,000 acres) .......................................................................................................................................10 Byers Peak (10,200 acres)........................................................................................................................................12 Cache la Poudre Adjacent Area (3,200 acres)..........................................................................................................13 Cherokee Park (7,600 acres) ....................................................................................................................................14 Comanche Peak Adjacent Areas A - H (45,200 acres).............................................................................................15 Copper Mountain (13,500 acres) .............................................................................................................................19 Crosier Mountain (7,200 acres) ...............................................................................................................................20 Gold Run (6,600 acres) ............................................................................................................................................21
    [Show full text]
  • Region Forest Number Forest Name Wilderness Name Wild
    WILD FIRE INVASIVE AIR QUALITY EDUCATION OPP FOR REC SITE OUTFITTER ADEQUATE PLAN INFORMATION IM UPWARD IM NEEDS BASELINE FOREST WILD MANAGED TOTAL PLANS PLANTS VALUES PLANS SOLITUDE INVENTORY GUIDE NO OG STANDARDS MANAGEMENT REP DATA ASSESSMNT WORKFORCE IM VOLUNTEERS REGION NUMBER FOREST NAME WILDERNESS NAME ID TO STD? SCORE SCORE SCORE SCORE SCORE SCORE SCORE SCORE FLAG SCORE SCORE COMPL FLAG COMPL FLAG SCORE USED EFF FLAG 02 02 BIGHORN NATIONAL CLOUD PEAK 080 Y 76 8 10 10 6 4 8 10 N 8 8 Y N 4 N FOREST WILDERNESS 02 03 BLACK HILLS NATIONAL BLACK ELK WILDERNESS 172 Y 84 10 10 4 10 10 10 10 N 8 8 Y N 4 N FOREST 02 04 GRAND MESA UNCOMP FOSSIL RIDGE 416 N 59 6 5 2 6 8 8 10 N 6 8 Y N 0 N GUNNISON NATIONAL WILDERNESS FOREST 02 04 GRAND MESA UNCOMP LA GARITA WILDERNESS 032 Y 61 6 3 10 4 6 8 8 N 6 6 Y N 4 Y GUNNISON NATIONAL FOREST 02 04 GRAND MESA UNCOMP LIZARD HEAD 040 N 47 6 3 2 4 6 4 6 N 6 8 Y N 2 N GUNNISON NATIONAL WILDERNESS FOREST 02 04 GRAND MESA UNCOMP MOUNT SNEFFELS 167 N 45 6 5 2 2 6 4 8 N 4 6 Y N 2 N GUNNISON NATIONAL WILDERNESS FOREST 02 04 GRAND MESA UNCOMP POWDERHORN 413 Y 62 6 6 2 6 8 10 10 N 6 8 Y N 0 N GUNNISON NATIONAL WILDERNESS FOREST 02 04 GRAND MESA UNCOMP RAGGEDS WILDERNESS 170 Y 62 0 6 10 6 6 10 10 N 6 8 Y N 0 N GUNNISON NATIONAL FOREST 02 04 GRAND MESA UNCOMP UNCOMPAHGRE 037 N 45 6 5 2 2 6 4 8 N 4 6 Y N 2 N GUNNISON NATIONAL WILDERNESS FOREST 02 04 GRAND MESA UNCOMP WEST ELK WILDERNESS 039 N 56 0 6 10 6 6 4 10 N 6 8 Y N 0 N GUNNISON NATIONAL FOREST 02 06 MEDICINE BOW-ROUTT ENCAMPMENT RIVER 327 N 54 10 6 2 6 6 8 6
    [Show full text]
  • Summits on the Air – ARM for USA - Colorado (WØC)
    Summits on the Air – ARM for USA - Colorado (WØC) Summits on the Air USA - Colorado (WØC) Association Reference Manual Document Reference S46.1 Issue number 3.2 Date of issue 15-June-2021 Participation start date 01-May-2010 Authorised Date: 15-June-2021 obo SOTA Management Team Association Manager Matt Schnizer KØMOS Summits-on-the-Air an original concept by G3WGV and developed with G3CWI Notice “Summits on the Air” SOTA and the SOTA logo are trademarks of the Programme. This document is copyright of the Programme. All other trademarks and copyrights referenced herein are acknowledged. Page 1 of 11 Document S46.1 V3.2 Summits on the Air – ARM for USA - Colorado (WØC) Change Control Date Version Details 01-May-10 1.0 First formal issue of this document 01-Aug-11 2.0 Updated Version including all qualified CO Peaks, North Dakota, and South Dakota Peaks 01-Dec-11 2.1 Corrections to document for consistency between sections. 31-Mar-14 2.2 Convert WØ to WØC for Colorado only Association. Remove South Dakota and North Dakota Regions. Minor grammatical changes. Clarification of SOTA Rule 3.7.3 “Final Access”. Matt Schnizer K0MOS becomes the new W0C Association Manager. 04/30/16 2.3 Updated Disclaimer Updated 2.0 Program Derivation: Changed prominence from 500 ft to 150m (492 ft) Updated 3.0 General information: Added valid FCC license Corrected conversion factor (ft to m) and recalculated all summits 1-Apr-2017 3.0 Acquired new Summit List from ListsofJohn.com: 64 new summits (37 for P500 ft to P150 m change and 27 new) and 3 deletes due to prom corrections.
    [Show full text]
  • Magmatic Evolution and Petrochemistry of Xenoliths Contained Within an Andesitic Dike of Western Spanish Peak, Colorado
    Magmatic Evolution and Petrochemistry of Xenoliths contained within an Andesitic Dike of Western Spanish Peak, Colorado Thesis for Departmental Honors at the University of Colorado Ian Albert Rafael Contreras Department of Geological Sciences Thesis Advisor: Charles Stern | Geological Sciences Defense Committee: Charles Stern | Geological Sciences Rebecca Flowers | Geological Sciences Ilia Mishev | Mathematics April the 8th 2014 Magmatic Evolution and Petrochemistry of Xenoliths contained within an Andesitic Dike of Western Spanish Peak, Colorado Ian Albert Rafael Contreras Department of Geological Sciences University of Colorado Boulder Abstract The Spanish Peaks Wilderness of south-central Colorado is a diverse igneous complex which includes a variety of mid-Tertiary intrusions, including many small stocks and dikes, into Cretaceous and early Tertiary sediments. The focus of this thesis is to determine whether gabbroic xenoliths found within an andesitic dike on Western Spanish Peak were accidental or cognate, and their implications for the magma evolution of the area. A total of twelve samples were collected from a single radial dike, eleven of which were sliced into thin sections for petrological analyses. From the cut thin sections, six were chosen for electron microprobe analysis to determine mineral chemistry, and billets of ten samples were subject to ICP-MS analysis to determine bulk rock, trace element chemistry. Xenoliths were dominated by amphiboles, plagioclase feldspars, clinopyroxenes and opaques (Fe-Ti oxides) distributed in mostly porphyritic to equigranular textures. Pargasitic and kaersutitic amphiboles are present in both the xenoliths and the host dike. Additionally, plagioclase feldspars range from albite to labradorite, and clinopyroxenes range from augite to diopside. All xenoliths were found to be enriched in elements Ti, Sr, Cr and Mn compared to the host dike and other Spanish Peak radial dikes.
    [Show full text]
  • Sangre De Cristo Salida and San Carlos Wet Mountains San Carlos Spanish Peaks San Carlos
    Wild Connections Conservation Plan for the Pike & San Isabel National Forests Chapter 5 – Complexes: Area-Specific Management Recommendations This section contains our detailed, area-specific proposal utilizing the theme based approach to land management. As an organizational tool, this proposal divides the Pike-San Isabel National Forest into eleven separate Complexes, based on geo-physical characteristics of the land such as mountain ranges, parklands, or canyon systems. Each complex narrative provides details and justifications for our management recommendations for specific areas. In order to emphasize the larger landscape and connectivity of these lands with the ecoregion, commentary on relationships to adjacent non-Forest lands are also included. Evaluations of ecological value across public and private lands are used throughout this chapter. The Colorado Natural Heritage Programs rates the biodiversity of Potential Conservation Areas (PCAs) as General Biodiversity, Moderate, High, Very High, and Outranking Significance. The Nature Conservancy assesses the conservation value of its Conservation Blueprint areas as Low, Moderately Low, Moderate, Moderately High and High. The Southern Rockies Ecosystem Project's Wildlands Network Vision recommends land use designations of Core Wilderness, Core Agency, Low and Moderate Compatible Use, and Wildlife Linkages. Detailed explanations are available from the respective organizations. Complexes – Summary List by Watershed Table 5.1: Summary of WCCP Complexes Watershed Complex Ranger District
    [Show full text]
  • Colorado Topographic Maps, Scale 1:24,000 This List Contains The
    Colorado Topographic Maps, scale 1:24,000 This list contains the quadrangle names and publication dates of all Colorado topographic maps published at the scale of 1:24,000 by the U.S. Geological Survey (USGS). One, non-circulating copy of each map is held in the Map Room Office. The Library does not own maps labeled "lacking." The maps are sorted alphabetically by sheet name. Colorado 1:24,000 Topos -- A Abarr 1974 printed 1977 Abarr SE 1968 printed 1971 1968 (without color) printed 1971 Abeyta 1971 printed 1974 1971 (without color) printed 1974 Adams Lake 1974 printed 1978 (dark), 1978 (light) 1974 (without color) printed 1978 1987 printed 1988 Adena 1963 printed 1965, 1975 1963 (without color) printed 1965 1984 printed 1984 1984 (without color) printed 1984 Adler Creek 1968 printed 1971 1968 (without color) printed 1971 Adobe Downs Ranch, New Mexico-Colorado 1963 printed 1965 1963 (without color) printed 1965 1979 printed 1980 (dark), 1980 (light) Adobe Springs 1969 printed 1972, 1992 1969 (without color) printed 1972 Agate 1970 printed 1973 (dark), 1973 (light) 1970 (without color) printed 1973 Agate Mountain 1983 printed 1983 1994 printed 1998 Aguilar 1971 printed 1974 1971 (without color) printed 1974 Akron 1973 printed 1976 1973 (without color) printed 1976 Akron SE 1973 printed 1976 Akron SW 1973 printed 1976 Alamosa East 1966 printed 1968, 1975 1966 (without color) printed 1968 Alamosa West 1966 printed 1969, 1971 1966 (without color) printed 1969 Aldrich Gulch 1957 printed 1958, 1964, 1975 (dark), 1975 (light) 1957 (without color)
    [Show full text]
  • APPENDIX a APPENDIX a Tiliber SALE Sumllary
    APPENDIX A APPENDIX A TIliBER SALE SuMllARY Area r.ocarmn -“anagemenr Area Treatmentl Esrlmated Probable Harvest -RIS I.ocatmn Area Volume “ethods by -Towashw & Range* (Acres) m LlpiBF Forest Type 1984 leadvllle 28 30 57 02 lodgepole pine 100210 clearcut T9S, R80W 1984 Leadvllle 2B 30 86 03 Lodgepole pne 100210 clearcut T8S. mow 1984 Leadvllle 70 50 143 03 bdgepole pule 100203 clearcur; spruce,fr ms, R80W shelterwood 1984 Leadvllle lhstrxt-vlde 80 2.29 08 All species. approprrare for nanagement Area.*=C 1984 Sahda 4B 320 457 16 Spruce,flr group 101001; 101002 selectmn T14S, R80W 1984 Sallda 40 200 114 0.4 Douglas-*rr thmnmg; 102311 lodgepole pine and T48N, WE aspen. clearcur 1984 SalIda 5B 15 29 0 1 Lodgepole pm 102211 clearcur T49N, R7E 1984 Salzda 5B 30 86 0.3 Aspen: clearcut 1027.06 public fuelwood T49N, WE 1984 Sahd.9 40 25 86 0.3 Aspen clearcur 101301 public fuelwood T13S, R77W 1984 Sahda District-wide 320 200 0.7 All species approprrate for nanagement Area 1984 San Carlas ,A 318 loo0 3.5 Spruce,fx. clearcut; 103510 Douglas-fir: two-step T24S, R69W sheltewood 1984 San carkss rhstrzct-wrde 420 257 0.9 All Epecles appropriate for Management Area 1984 Pxkes Peak WE 314 143 0.3 Ponderosa pine and 115302. 113303 Douglas-cr. Two-step TI1S. R68W shelterwad; spruce/ fm and aspen clearcut 1984 PlkS Peak 7A 476 286 10 Douglas-fm and 117101, 117102, ponderosa pme two- 117401, 11,402 step shelterwood, T11 s; 12s. wow aspen. clearcur *All Townshq and Range ~~rar~ons refer to the New “exzco and Sxcth Prmcxpal “enduas, ““Ifed States survey “See Chapter III, Management Area Preserqrmns for harvest methods by specks A-l TIMBER SALE SuMEwlY Area hcatlo” -Managemn Area Treatment Estmated Probable Harverr Hlscal -RI8 locatloo Area Yolme Methods by Year: District Sale Name -Township 6 Ranae (Acres) gcJ MMBF Forest Type 1984 Pikes Peak .Jobos Gulch 1OR 450 286 I.0 Poaderosa pm.e 116701, 116002 two-step shelterwood T118, R69” 1984 Pikes Peak Quaker RLdgs 28 250 143 0.5 Ponderoaa pme TWO- 116601.
    [Show full text]
  • Co-Raton-Mesa-Nm.Pdf
    D-5 I I I~ ..--- ~..,.....----~__O~~--- I I I UNITED STATES DEPARTMENT OF THE INTERIOR NATIONAL SE I I I I II I Cover painting "FISHERS PEAK" by Arthur Roy Mitchell, commissioned for the Denver Post's Collection of Western Art, reproduced through the courtesy of Palmer Hoyt, Editor. I I.1 I I SYNOPSIS NOT FOR FU~LIC l{ELEASJ Raton Mesa near Trinidad, Colorado, about 200 miles south of Denver, I is the highest, most scenic, impressive and accessible of a scattered group of lava-capped mesas straddling the eastern half of the Colorado- I New Mexico boundary. It and its highest part, Fishers Peak, are well I known landmarks dating back to the days of the Santa Fe Trail which~ traverses Raton Pass on its southwest flank, today crossed by an interstate high- I way. Three distinct, easily recognized vegetative zones, mostly forest, lay on its slopes; the Mesa top is a high mountain grassland. I Ancient lava flows covered portions of this region, the Raton I section of the Great Plains physiographic province, millions of years ago when the surface was much higher. These flows protected the mesas from subsequent erosion which has carried away the surrounding territory, • leaving Fishers Peak today towering 4,000 feet above the City of Trinidad. I Lavas at Capulin Mountain, a National Monument located nearby in New I Mexico, though at a lower elevation, are thought to be much more recent. Raton Pass was a strategic point on the Mountain Branch of the I Santa Fe Trail during the Mexican and Civil Wars, and to travelers past and present a clima~~ gateway to the southwest.
    [Show full text]